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<DIV CLASS="navbar"><A HREF="http://vt100.net/"><IMG CLASS="button" SRC="vt100.net-logo.png" ALT="VT100.net" HEIGHT="16" WIDTH="102"></A> VT102 User Guide<TABLE WIDTH="100%">
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<TD ALIGN="LEFT"><A HREF="chapter5.html">Chapter 5</A></TD>
<TD ALIGN="CENTER"><A HREF="contents.html">Contents</A></TD>
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<TABLE ID="T5-2" CLASS="majortable" FRAME="VOID" RULES="GROUPS" CELLSPACING="0" CELLPADDING="4" BORDERCOLOR="#ffffff">
<CAPTION>Table 5-2 Control Characters Recognized by VT102</CAPTION>
<THEAD>
<TR VALIGN="BOTTOM">
<TH>Character</TH>
<TH>Mnemonic</TH>
<TH>Octal Code</TH>
<TH>Function</TH>
</TR>
</THEAD>
<TBODY>
<TR VALIGN="TOP">
<TD>Null</TD>
<TD>NUL</TD>
<TD>000</TD>
<TD>Ignored when received (not stored in input buffer) and used as a fill character.</TD>
</TR>
<TR VALIGN="TOP">
<TD>End of text</TD>
<TD>ETX</TD>
<TD>003</TD>
<TD>Can be selected as a half-duplex turnaround character.</TD>
</TR>
<TR VALIGN="TOP">
<TD>End of transmission</TD>
<TD>EOT</TD>
<TD>004</TD>
<TD>Can be selected as a disconnect character or half-duplex turnaround
character. When used as a turnaround character, the disconnect character is DLE-EOT.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Enquire</TD>
<TD>ENQ</TD>
<TD>005</TD>
<TD>Transmits answerback message.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Bell</TD>
<TD>BEL</TD>
<TD>007</TD>
<TD>Generates bell tone.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Backspace</TD>
<TD>BS</TD>
<TD>010</TD>
<TD>Moves cursor to the left one character position; if cursor is at left margin,
no action occurs.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Horizontal tab</TD>
<TD>HT</TD>
<TD>011</TD>
<TD>Moves cursor to next tab stop, or to right margin if there are no more tab stops.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Linefeed</TD>
<TD>LF</TD>
<TD>012</TD>
<TD>Causes a linefeed or a new line operation. (See Linefeed/New Line). Also causes
printing if auto print operation is selected.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Vertical tab</TD>
<TD>VT</TD>
<TD>013</TD>
<TD>Processed as LF.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Form feed</TD>
<TD>FF</TD>
<TD>014</TD>
<TD>Processed as LF. FF can also be selected as a half-duplex turnaround character.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Carriage return</TD>
<TD>CR</TD>
<TD>015</TD>
<TD>Moves cursor to left margin on current line. CR can also be selected as a half-duplex
turnaround character.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Shift out</TD>
<TD>SO</TD>
<TD>016</TD>
<TD>Selects G1 character set designated by a select character set sequence.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Shift in</TD>
<TD>SI</TD>
<TD>017</TD>
<TD>Selects G0 character set designated by a select character set sequence.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Device control&nbsp;1</TD>
<TD>DC1</TD>
<TD>021</TD>
<TD>Processed as XON. DC1 causes terminal to continue transmitting characters.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Device control&nbsp;3</TD>
<TD>DC3</TD>
<TD>023</TD>
<TD>Processed as XOFF. DC3 causes terminal to stop transmitting all characters except
XOFF and XON. DC3 can also be selected as a half-duplex turnaround character.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Cancel</TD>
<TD>CAN</TD>
<TD>030</TD>
<TD>If received during an escape or control sequence, cancels the sequence and displays
substitution character (<IMG SRC="char141.png" ALT="[]" HEIGHT="20" WIDTH="12">).</TD>
</TR>
<TR VALIGN="TOP">
<TD>Substitute</TD>
<TD>SUB</TD>
<TD>032</TD>
<TD>Processed as CAN.</TD>
</TR>
<TR VALIGN="TOP">
<TD>Escape</TD>
<TD>ESC</TD>
<TD>033</TD>
<TD>Processed as a sequence introducer.</TD>
</TR>
</TBODY>
</TABLE>
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<TD ALIGN="LEFT"><A HREF="chapter5.html">Chapter 5</A></TD>
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